diff options
Diffstat (limited to 'newlib/libc/argz/argz_create_sep.c')
-rw-r--r-- | newlib/libc/argz/argz_create_sep.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/newlib/libc/argz/argz_create_sep.c b/newlib/libc/argz/argz_create_sep.c new file mode 100644 index 000000000..f8d9ef1d3 --- /dev/null +++ b/newlib/libc/argz/argz_create_sep.c @@ -0,0 +1,56 @@ +/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. + * + * Permission to use, copy, modify, and distribute this software + * is freely granted, provided that this notice is preserved. + */ + +#include <errno.h> +#include <sys/types.h> +#include <string.h> +#include <stdlib.h> + +error_t +argz_create_sep (const char *string, int sep, char **argz, size_t *argz_len) +{ + int len = 0; + int i = 0; + int num_strings = 0; + char delim[2]; + char *running = 0; + char *old_running = 0; + char *token = 0; + char *iter = 0; + + delim[0] = sep; + delim[1] = '\0'; + + running = strdup(string); + old_running = running; + + while ((token = strsep(&running, delim))) + { + len = strlen(token); + *argz_len += (len + 1); + num_strings++; + } + + if(!(*argz = (char *)malloc(*argz_len))) + return ENOMEM; + + free(old_running); + + running = strdup(string); + old_running = running; + + iter = *argz; + for (i = 0; i < num_strings; i++) + { + token = strsep(&running, delim); + len = strlen(token) + 1; + memcpy(iter, token, len); + iter += len; + } + + free(old_running); + return 0; +} |